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#ifndef TARRAY_H
#define TARRAY_H
#include <global_types.h>
#include <string.h>
#include <pso/macros.h>
template<typename T, size_t n>
class TArray {
public:
T m_data[n];
public:
T *data() {
return m_data;
};
size_t size() {
return n;
};
size_t byte_size() {
return n * sizeof(T);
};
T &operator[](size_t i) {
return m_data[i];
};
T *start() {
return m_data;
};
T *end() {
return &m_data[size()-1];
};
template<typename T2>
T2 *as() {
return reinterpret_cast<T2 *>(m_data);
};
template<typename T2>
size_t size_as() {
return byte_size() / sizeof(T2);
};
template<typename T2>
TArray<T2, (n * sizeof(T))/sizeof(T2)> &to() {
typedef TArray<T2, sizeof(m_data)/sizeof(T2)> to_type;
return reinterpret_cast<to_type &>(*this);
};
u8 *as_bytes() {
return reinterpret_cast<u8 *>(m_data);
};
void fill(u8 val) {
memset(m_data, val, byte_size());
};
template<typename T2>
void fill_with(const T2 val) {
_fill_with<T2, false>(val);
};
template<typename T2>
void fast_fill_with(const T2 val) {
_fill_with<T2, true>(val);
};
template<typename T2>
void copy(const T2 &val) {
_copy<T2, false>(val);
};
template<typename T2>
void copy_reverse(const T2 &val) {
_copy_reverse<T2, false>(val);
};
template<typename T2>
void fast_copy(const T2 &val) {
_copy<T2, true>(val);
};
template<typename T2>
void fast_copy_reverse(const T2 &val) {
_copy_reverse<T2, true>(val);
};
private:
template<typename T2, bool do_unroll_check>
void _fill_with(const T2 val) {
T2 *data = as<T2>();
size_t size = size_as<T2>();
if (do_unroll_check && size <= 8) {
int i = 0;
switch (size) {
case 8: data[i++] = val;
case 7: data[i++] = val;
case 6: data[i++] = val;
case 5: data[i++] = val;
case 4: data[i++] = val;
case 3: data[i++] = val;
case 2: data[i++] = val;
case 1: data[i++] = val;
default: break;
}
} else {
for (int i = 0; i < size; ++i) {
data[i] = val;
}
}
};
template<typename T2, bool do_unroll_check>
void _copy(const T2 &val) {
size_t size = sizeof(T2)/sizeof(T);
const T *src = reinterpret_cast<const T *>(&val);
if (do_unroll_check && size <= 8) {
int i = 0;
switch (size) {
case 8: m_data[i] = src[i++];
case 7: m_data[i] = src[i++];
case 6: m_data[i] = src[i++];
case 5: m_data[i] = src[i++];
case 4: m_data[i] = src[i++];
case 3: m_data[i] = src[i++];
case 2: m_data[i] = src[i++];
case 1: m_data[i] = src[i++];
default: break;
}
} else {
for (int i = 0; i < size; ++i) {
m_data[i] = src[i];
}
}
};
template<typename T2, bool do_unroll_check>
void _copy_reverse(const T2 &val) {
size_t size = sizeof(T2)/sizeof(T);
const T *src = reinterpret_cast<const T *>(&val);
if (do_unroll_check && size <= 8) {
int i = size-1;
int j = 0;
switch (size) {
case 8: m_data[i--] = src[j++];
case 7: m_data[i--] = src[j++];
case 6: m_data[i--] = src[j++];
case 5: m_data[i--] = src[j++];
case 4: m_data[i--] = src[j++];
case 3: m_data[i--] = src[j++];
case 2: m_data[i--] = src[j++];
case 1: m_data[i--] = src[j++];
default: break;
}
} else {
for (int i = size-1, j = 0; i; --i, ++j) {
m_data[i] = src[j];
}
}
};
};
#endif
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